Must Watch Wednesday: Carrie Underwood on How I Met Your Mother

On Monday, a newly-engaged Carrie Underwood made her TV debut on CBS's How I Met Your Mother--watch a clip and tell us what you think of her acting. Do you think she holds her own with the hilarious cast?

Next week, (following a successful stint on SNLlast weekend) singer Jennifer Lopez makes an cameo as a self-help author on the hit show. Can she rein in the womanizing Neil Patrick Harris?